Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878086 | Flat panel display device and manufacturing of the same | Junji Isohata, Masao Totsuka | 1989-10-31 |
| 4814830 | Flat panel display device and manufacturing of the same | Junji Isohata, Masao Totsuka | 1989-03-21 |